QYQ600—160P剪切取样器的使用温度为()℃。
A、600
B、160
C、60
D、100
参考答案:D
_____ the third photo, Li Yan _____ at the mall.[ ]
A. On; shops
B. On; shopping
C. In; is shopping
D. In; is shoping
有如下程序段 if(x>0) { System.out.println("first");} else if (x > -4) { System.out.println("second");} else { System.out.println("third");} x的取值在什么范围内时,将打印出字符串“second"
A.x > 0
B.x > -4
C.x < = -4
D.x < = 0 & & x > -4